Patents by Inventor Ikuma Miwa

Ikuma Miwa has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Power voltage selection circuit
    Patent number: 11449086
    Abstract: Disclosed herein is an apparatus that includes a first external terminal supplied with a first power potential, a second external terminal supplied with a second power potential different from the first power potential, a first transistor connected between the first external terminal and an internal power line, a second transistor connected between the second external terminal and the internal power line, and a first circuit configured to turn the first transistor OFF during at least a first period until the second power potential is supplied after the first power potential is supplied.
    Type: Grant
    Filed: May 17, 2021
    Date of Patent: September 20, 2022
    Assignee: Micron Technology, Inc.
    Inventors: Ikuma Miwa, Yoshifumi Mochida
  • Power Voltage Selection Circuit
    Publication number: 20210271279
    Abstract: Disclosed herein is an apparatus that includes a first external terminal supplied with a first power potential, a second external terminal supplied with a second power potential different from the first power potential, a first transistor connected between the first external terminal and an internal power line, a second transistor connected between the second external terminal and the internal power line, and a first circuit configured to turn the first transistor OFF during at least a first period until the second power potential is supplied after the first power potential is supplied.
    Type: Application
    Filed: May 17, 2021
    Publication date: September 2, 2021
    Applicant: MICRON TECHNOLOGY, INC.
    Inventors: Ikuma Miwa, Yoshifumi Mochida
  • Power voltage selection circuit
    Patent number: 11009902
    Abstract: Disclosed herein is an apparatus that includes a first external terminal supplied with a first power potential, a second external terminal supplied with a second power potential different from the first power potential, a first transistor connected between the first external terminal and an internal power line, a second transistor connected between the second external terminal and the internal power line, and a first circuit configured to bring the first transistor OFF during at least a first period until the second power potential is supplied after the first power potential is supplied.
    Type: Grant
    Filed: February 27, 2020
    Date of Patent: May 18, 2021
    Assignee: Micron Technology, Inc.
    Inventors: Ikuma Miwa, Yoshifumi Mochida